[MacPorts] #40413: Update to Groovy 2.1.7

[MacPorts]

#40413: Update to Groovy 2.1.7
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  Reporter:  nils@…  |      Owner:  breskeby@…
      Type:  update  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  groovy  |
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Comment (by nils@…):

 Oh ok, I thought setting the port would be enough to notify the port
 maintainer.

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Ticket URL: <https://trac.macports.org/ticket/40413#comment:2>
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